it could affect other patent technologies. >> and adults going blind could have another chance at sight. the $100,000 device will not restore sight but it will give patients suffering great a rare eye disease the ability to perceive light and dark which can help with tasks such as navigating a sidewalk on reading large signs. >> and, now, we have this work thing. >> how about some hot chocolate to go with the cooler weather. >> we can make some an cakes and eric is the smoked meat guy. >> barbecue. >> whatever you are doing do celebrate president's day you will do it with dry weather although the clouds look oppressive they are creating 47 47-degree temperatures at sfo. this time tomorrow we will track the rain from the northwest but right new you have a dry morning commute and a dry afternoon commute with the fog still a big story in novato and the visibility is less than eighth of a mile and down to a couple hundred feet so be careful in the not bay until 10:30, maybe 11:00. i hoped to show you mount tamalpais but, sorry, it is not working. now, as far as what will happen today, we wi